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  <title>Fetches the next row into result-buffer</title>

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 <div class="refnamediv">
  <h1 class="refname">oci_fetch</h1>
  <p class="verinfo">(PHP 5, PECL OCI8 &gt;= 1.1.0)</p><p class="refpurpose"><span class="refname">oci_fetch</span> &mdash; <span class="dc-title">Fetches the next row into result-buffer</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.oci-fetch-description">
  <h3 class="title">说明</h3>
   <div class="methodsynopsis dc-description">
    <span class="type">bool</span> <span class="methodname"><strong>oci_fetch</strong></span>
     ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$statement</code></span>
    )</div>

  <p class="para rdfs-comment">
   <span class="function"><strong>oci_fetch()</strong></span> 获取下一行（对于 SELECT 语句）到内部结果缓冲区。
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    在 PHP 5.0.0 之前的版本必须使用 <span class="function"><a href="function.ocifetch.html" class="function">ocifetch()</a></span>
    替代本函数。该函数名仍然可用，为向下兼容作为
    <span class="function"><strong>oci_fetch()</strong></span> 的别名。不过其已被废弃，不推荐使用。
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.oci-fetch-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">statement</code></em></dt>

     <dd>

       <p class="para">有效的 OCI8 报表标识符
由 <span class="function"><a href="function.oci-parse.html" class="function">oci_parse()</a></span> 创建，被 <span class="function"><a href="function.oci-execute.html" class="function">oci_execute()</a></span>
或 <em>REF CURSOR</em> statement 标识执行。</p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.oci-fetch-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> if there are no more rows in the
   <em><code class="parameter">statement</code></em>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.oci-fetch-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1971">
    <p><strong>Example #1 <span class="function"><strong>oci_fetch()</strong></span> with defined variables</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if&nbsp;(!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$e&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">),&nbsp;</span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$sql&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'SELECT&nbsp;location_id,&nbsp;city&nbsp;FROM&nbsp;locations&nbsp;WHERE&nbsp;location_id&nbsp;&lt;&nbsp;1200'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;The&nbsp;defines&nbsp;MUST&nbsp;be&nbsp;done&nbsp;before&nbsp;executing<br /></span><span style="color: #0000BB">oci_define_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'LOCATION_ID'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$locid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_define_by_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$city</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Each&nbsp;fetch&nbsp;populates&nbsp;the&nbsp;previously&nbsp;defined&nbsp;variables&nbsp;with&nbsp;the&nbsp;next&nbsp;row's&nbsp;data<br /></span><span style="color: #007700">while&nbsp;(</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"Location&nbsp;id&nbsp;</span><span style="color: #0000BB">$locid</span><span style="color: #DD0000">&nbsp;is&nbsp;</span><span style="color: #0000BB">$city</span><span style="color: #DD0000">&lt;br&gt;\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Displays:<br />//&nbsp;&nbsp;&nbsp;Location&nbsp;id&nbsp;1000&nbsp;is&nbsp;Roma<br />//&nbsp;&nbsp;&nbsp;Location&nbsp;id&nbsp;1100&nbsp;is&nbsp;Venice<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
  <p class="para">
   <div class="example" id="example-1972">
    <p><strong>Example #2 <span class="function"><strong>oci_fetch()</strong></span> with <span class="function"><a href="function.oci-result.html" class="function">oci_result()</a></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if&nbsp;(!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$e&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">),&nbsp;</span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$sql&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'SELECT&nbsp;location_id,&nbsp;city&nbsp;FROM&nbsp;locations&nbsp;WHERE&nbsp;location_id&nbsp;&lt;&nbsp;1200'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$stid&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$sql</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />while&nbsp;(</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'LOCATION_ID'</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"&nbsp;is&nbsp;"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'CITY'</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"&lt;br&gt;\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;Displays:<br />//&nbsp;&nbsp;&nbsp;1000&nbsp;is&nbsp;Roma<br />//&nbsp;&nbsp;&nbsp;1100&nbsp;is&nbsp;Venice<br /><br /></span><span style="color: #0000BB">oci_free_statement</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.oci-fetch-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    In PHP versions before 5.0.0 use <span class="function"><a href="function.ocifetch.html" class="function">ocifetch()</a></span>
    instead.  在当前版本中，旧的函数名还可以被使用，但已经被废弃并不建议使用。
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.oci-fetch-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.oci-define-by-name.html" class="function" rel="rdfs-seeAlso">oci_define_by_name()</a> - 在 SELECT 中使用 PHP 变量作为定义的步骤</span></li>
    <li class="member"><span class="function"><a href="function.oci-fetch-all.html" class="function" rel="rdfs-seeAlso">oci_fetch_all()</a> - 获取结果数据的所有行到一个数组</span></li>
    <li class="member"><span class="function"><a href="function.oci-fetch-array.html" class="function" rel="rdfs-seeAlso">oci_fetch_array()</a> - Returns the next row from a query as an associative or numeric array</span></li>
    <li class="member"><span class="function"><a href="function.oci-fetch-assoc.html" class="function" rel="rdfs-seeAlso">oci_fetch_assoc()</a> - Returns the next row from a query as an associative array</span></li>
    <li class="member"><span class="function"><a href="function.oci-fetch-object.html" class="function" rel="rdfs-seeAlso">oci_fetch_object()</a> - Returns the next row from a query as an object</span></li>
    <li class="member"><span class="function"><a href="function.oci-fetch-row.html" class="function" rel="rdfs-seeAlso">oci_fetch_row()</a> - Returns the next row from a query as a numeric array</span></li>
    <li class="member"><span class="function"><a href="function.oci-result.html" class="function" rel="rdfs-seeAlso">oci_result()</a> - 返回所取得行中字段的值</span></li>
   </ul>
  </p>
 </div>

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